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737-600/700/800/900 AIRCRAFT MAINTENANCE MANUAL
21-30-00-107
Training Information Point
The CPCs show FAULT on the front panel display only when
there is an existing fault.
The CPCs are electrostatic discharge sensitive (ESDS) devices.
Use ESDS safe practices when you handle the CPCs.
AIR CONDITIONING - PRESSURIZATION CONTROL - CABIN PRESSURE CONTROLLER
EFFECTIVITY
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737-600/700/800/900 AIRCRAFT MAINTENANCE MANUAL
21-30-00-107
AIR CONDITIONING - PRESSURIZATION CONTROL - CABIN PRESSURE CONTROLLER
AIR CONDITIONING - PRESSURIZATION CONTROL - CABIN PRESSURE CONTROLLER
EFFECTIVITY
GUN 001-012, 101, 201-999 21-30-00
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BOEING PROPRIETARY - Copyright#- Unpublished Work - See title page for details.
737-600/700/800/900 AIRCRAFT MAINTENANCE MANUAL
21-30-00-107
AIR CONDITIONING - PRESSURIZATION CONTROL - CABIN PRESSURE CONTROLLER
AIR CONDITIONING - PRESSURIZATION CONTROL - CABIN PRESSURE CONTROLLER
EFFECTIVITY
GUN 013-099, 102-118 21-30-00
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BOEING PROPRIETARY - Copyright#- Unpublished Work - See title page for details.
737-600/700/800/900 AIRCRAFT MAINTENANCE MANUAL
21-30-00-107
General Description
A BITE module is on the front face of each cabin pressure
controller. The BITE does checks of these hardware and
software:
* All system components
* System interfaces
* Overall system performance.
These selections are available when you push the MENU button
and then the UP and DOWN arrows:
* EXISTING FAULTS
* FAULT HISTORY
* GROUND TESTS
* SYSTEM STATUS
* SYSTEM TEST AND CLEAR.
EXISTING FAULTS
EXISTING FAULTS shows faults that are present. From the main
menu EXISTING FAULTS, there are faults and fault details.
FAULT HISTORY
FAULT HISTORY shows previous faults. From the main menu
FAULT HISTORY, there are faults and fault details.
GROUND TESTS
GROUND TEST has these two submenus:
* DISPLAY TEST
* SYSTEM TEST.
The DISPLAY TEST does a test of the LED display.
The SYSTEM TEST does a test of the cabin pressurization
system.
SYSTEM STATUS
SYSTEM STATUS has these two submenus:
* PRESENT STATUS
* SYSTEM CONFIGURATION (SYSTEM CONFIG).
PRESENT STATUS shows the current inputs to the cabin
pressure controllers.
SYSTEM CONFIG shows the system configuration.
SYSTEM TEST AND CLEAR
The SYSTEM TEST AND CLEAR main menu selection prepares
the controller for a system test and clears the FAULT HISTORY.
AIR CONDITIONING - PRESSURIZATION CONTROL - CPC - BITE - MAIN MENU
EFFECTIVITY
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BOEING PROPRIETARY - Copyright#- Unpublished Work - See title page for details.
737-600/700/800/900 AIRCRAFT MAINTENANCE MANUAL
21-30-00-122
Training Information Point
When you push the ON/OFF button, the controller makes sure
that the airplane is in the ground mode. If the airplane is not in
the ground mode, A/P NOT IN GND shows for two seconds.
Then BITE ABORTED shows for two seconds.
There are these two types of faults:
* Previous faults (PREV FAULTS)
* Existing faults (EXIST FAULTS).
If there is an existing fault, the cabin pressure controller shows
FAULT on the front panel display.
If there are only existing faults, the display shows nn EXIST
FAULTS for two seconds. Then the display shows EXISTING
FAULTS.
If there are only previous faults, the display shows nn PREV
FAULTS for two seconds. Then the display shows FAULT
HISTORY.
If there are existing and previous faults, the display shows nn
EXIST FAULTS and nn PREV FAULTS for two seconds each.
Then the display shows EXISTING FAULTS.
Training Information Point
EXISTING FAULTS and FAULT HISTORY show faults. Each fault
has fault details. For more information on faults and fault
details, use the Fault Isolation Manual.
AIR CONDITIONING - PRESSURIZATION CONTROL - CPC - BITE - MAIN MENU
EFFECTIVITY
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737-600/700/800/900 AIRCRAFT MAINTENANCE MANUAL
21-30-00-122
AIR CONDITIONING - PRESSURIZATION CONTROL - CPC - BITE - MAIN MENU
AIR CONDITIONING - PRESSURIZATION CONTROL - CPC - BITE - MAIN MENU
EFFECTIVITY
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